body {
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
}

.column {
    flex: 1;
    margin: 10px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.leads-container {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.card {
    background-color: #f5f5f5;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    cursor: move;
}

.add-lead {
    margin-top: auto;
    align-self: flex-end;
}